Geology and mineralisation in the Meso- to Neoproterozoic Ghanzi-Chobe Belt of northwest Botswana

Journal of African Earth Sciences

Volumn 30, Issue 3, 2000, Pages 467-474

  Modie, Benson N ^a  

^a Geological Survey Department   (Botswana)

Author keywords

[No Author keywords available]

Indexed keywords

GEOLOGICAL MAPPING; MINERALIZATION; PROTEROZOIC; STRATIGRAPHY; VOLCANIC ROCK;

BOTSWANA;

EID: 0034210341     PISSN: 08995362     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0899-5362(00)00032-4     Document Type: Conference Paper

References (42)

1. Aldiss, D.T., Carney, J.N., 1992. The geology and regional correlation of the proterozoic okwa inlier, western Botswana. Precambrian Research 56, 255-274.
2. Anglo American Botswana (Pty) Ltd., 1990-1993. Maun copper venture. Quarterly Reports. Geological Survey Botswana.
3. Anglo American Botswana (Pty) Ltd., 1992. Maun copper venture. Geological Survey Botswana. Geological Interim Report CR5/3/8.
4. Anglo American Botswana (Pty) Ltd., 1993. Maun copper venture. Geological Survey Botswana.Terminal Report.
5. Anglo-Vaal SWA, 1967-1971. Geological Survey Botswana. Quarterly Reports CR6/1/1.
6. Anglo-Vaal SWA, 1970. Closing report at termination of prospecting operations in the theta grant area, compiled by Norman, N. G., Geological Survey Botswana. Internal Report CR6/2/3.
7. Baldock, J.W., Hepworth, J.V., Marengwa, B.S., 1977. Resources inventory of Botswana; Metallic minerals, mineral fuels, and diamond. Geological Survey Botswana. Mineral Resources Report No. 4, 23-25.
8. Borg, G., 1988a. The koras-sinclair-ghanzi rift in Southern Africa. Volcanism, sedimentation, age relationships and geophysical signature of a late middle proterozoic rift system. Precambrian Research 38, 75-90.
9. Borg, G., 1988b. Controls on Stratabound Mineralisation at Klein Aub Mine and Similar Deposits within the Kalahari Copperbelt of South West Africa/Namibia and Botswana. Ph.D. Thesis, University of Witwatersrand, Johannesburg, South Africa. 107p.
10. Borg, G., Maiden, K.J., 1987. Basalt alteration and its relation to middle proterozoic stratabound copper-silver-gold deposits along the margin of the kalahari craton in SWA/Namibia and Botswana. In: Pharaoh, T.C., Beckinsale, R.D., Rickards, D.T. (Eds.), Geochemistry and Mineralisation of Proterozoic Volcanic Suites. Geological Society London, Special Publication 33, pp. 347-354.
11. Borg, G., Maiden, K.J., 1989. The middle proterozoic kalahari copperbelt of Namibia and Botswana. In: Boyle, R.W., Brown, A.C., Jefferson, C.W., Jowett, E.G., Kirkham, R.V. (Eds.), Sediment-hosted Stratiform Copper Deposits. Geological Association Canada, Special Paper 36, pp. 525-540.
12. Hanson, R.E., Wilson, T.J., Brueckner, H.K., Onstott, T.C., Wardlaw, M.S., Johns, C.C., Hardcastle, K.C., 1988. Reconnaissance geochronology, tectonothermal evolution, and regional significance of the middle proterozoic choma-kalomo block, Southern Zambia. Precambrian Research 42, 39-61.
13. Hoal, B.G., 1993. The proterzoic sinclair sequence in Southern Namibia: Intratonic rift or active continental margin setting? Precambrian Research 63, 143-162.
14. Hoffmann, K.G., 1989. New aspects of lithostratigraphic subdivision and correlation of late proterozoic to early cambrian rocks of the southern damara belt and their correlation with the central and northern damara belt and the gariep belt. Communications Geological Survey Namibia 5, 59-67.
15. Huch, K.M., Modie, B.N., Ratsoma, W.M., Hannak, W.W., 1992. Mineral prospecting in the ghanzi-chobe belt of Botswana. Technical Report Phase 1 (1989-1991), BGR(Hannover)/Geological Survey Botswana, 154p.
16. Kampunzu, A.B., Akanyang, P., Mapeo, R.B.M., Modie, B.N., Wendorff, M., 1998. Geochemistry and tectonic significance of the mesoproterozoic kgwebe metavolcanic rocks in north-west Botswana: Implications for the evolution of the kibaran namaqua-natal belt. Geological Magazine 133.
17. Key, R.M., Ayres, N., 2000. The 1998 edition of the national geological map of Botswana. Journal African Earth Sciences 30 (3), 427-451.
18. Key, R.M., Rundle, C.C., 1981. The regional significance of new isotopic ages from precambrian windows through the kalahari beds in north-western Botswana. Transactions Geological Society South Africa 84, 51-66.
19. Mallick, D.I.J., Habgood, F., Skinner, A.C., 1978. Photogeological map of Botswana. Directorate of Overseas Surveys, scale 1:1 000 000.
20. McMullan, S.R., McLellan, W.H., 1994. Final Report - Geophysical Exploration of the Ghanzi-chobe Fold Belt, Ghanzi and Chinamba Hills Area, by Poseidon Geophysics (Pty) Ltd. for Geological Survey of Botswana, 37p.
21. Miller, R.McG., 1983. Evolution of the Damara Orogen of South West Africa/Namibia: National Geodynamics Programme. Geological Society South Africa 11, 515p.
22. Modie, B.N., 1994. Sedimentology and basin evolution of the ghanzi-chobe belt: Northwest-Botswana. M.Phil. Thesis, University of Wales, Aberystwyth, UK, 187p.
23. Modie, B.N.J., 1996a. Depositional environments of the meso-neoproterozoic ghanzi-chobe belt, Northwest Botswana. Journal African Earth Sciences 22, 255-268.
24. Modie, B.N., 1996b. The geology of the Ghanzi ridge. Geological Survey Botswana. District Memoir 7, 81p.
25. Modie, B.N.J., Akanyang, P., Ramokate, L.V., 1998. Formalisation of the lithostratigraphic units of the Ghanzi-chobe belt. Geological Survey Botswana. Bulletin 45, 32p.
26. Reeves, C.V., 1978a. The gravity survey of ngamiland 1970-71. Geological Survey Botswana, Bulletin 11.
27. Reeves, C.V., 1978b. Reconnaissance aeromagnetic survey of Botswana, 1975-1977. Compiled by Terra Surveys Ltd. Geological Survey Botswana, Final Report, 318p.
28. Reeves, C.V., 1985. The kalahari desert, Central Southern Africa; A case history of regional gravity and magnetic exploration. In: Hinze, W.J. (Ed.), The Utility of Regional Gravity and Magnetic Anomaly Maps. Society Exploration Geophysics, pp. 144-153.
29. Ruxton, P.A., 1980. Sediments and copper in the Lake Ngami area, north-western Botswana. Geological Survey Botswana, Internal Report CR6/3/8, 13p.
30. Ruxton, P.A., 1981. The Sedimentology and Diagenesis of Copper-bearing Rocks of the Southern Margin of the Damaran Orogenic Belt, Namibia and Botswana. Ph.D. Thesis University of Leeds, UK, 241p.
31. Schwartz, M., Akanyang, P., 1994. Mineral prospecting in the Ghanzi-chobe belt of Botswana. Technical Report Interim Phase (1993-1994), vol 1. BGR(Hannover)/ Geological Survey Botswana, 247p.
32. Schwartz, M.O., Kwok, Y.Y., Davis, D.W., Akanyang, P., 1996. Geology, geochronology and regional correlation of the Ghanzi ridge, Botswana. South African Journal Geology 99, 3.
33. Siamisang, T., 1996. Resource evaluation of ngwako pan copper prospect. Geological Survey Botswana. Internal Report.
34. Tankard, A.J., Jackson, M.P.A., Eriksson, K.A., Hobday, D.K., Minter, W.E.L., 1982. Crustal Evolution of Southern Africa: 3.8 Billion Years of Earth History. Springer-Verlag, New York, 523p.
35. Thomas, C.M., 1969. A short description of the geology of South Ngamiland (covering QDS 2022C, 2022D and 2023C). Geological Survey Botswana. Internal Report CMT/ 4/69, 13p.
36. Thomas, C.M., 1973. Geological map with brief explanation (QDS 2022C, 2022D and 2023C) of South Ngamiland. Geological Survey Botswana, scale 1:125 000.
37. US Steel, 1972-1978. Reports on prospecting activities, Zeta and Theta concessions, Southern Ngamiland. Geological Survey Botswana.
38. US Steel, 1976. Botswana internal reports CR6/1-CR6/4. Project - Shinamba Hills. Geological Survey Botswana. Final Report CR6/2/9 - PR000859, 15p.
39. US Steel, 1978. Pre-feasibility study Zeta/Theta copper prospect, by Essex Minerals Company. Geological Survey Botswana. Internal Reports CR6/2/7-8
40. Walker, I.R., 1974. Geological map with brief description (QDS 2121B, 2122A and 2122B) of North Ghanziland. Geological Survey Botswana, scale 1:125 000.
41. Watters, B.R., 1977. The sinclair group: Definition and regional correlation. Transactions Geological Society South Africa, 80, 9-16.
42. Wright, E.P., 1956. Report on the Goha hills. Geological Survey Botswana. Internal Report EPW/13/56, 2p.